If x, y and z are positive integers and 3x=4y=7z,

then the least possible value for x + y + z is

(a) 33

(b) 40

(c) 49

(d) 61

(e) 84

There are 4 bike racks and each bike rake can hold 15 bikes and there is 16 bike in the bike rack which expression shows the total

A triangle has two angles measuring 90 degrees and 50 degrees, calculate the third angle of the triangle. a. 50 b. 40 c. 45 d. 75

What is the volume of the box with a height of 3/2 inches, a length of 7/2 inches, and a width of 5/2inches

What are all the common factors of 24 and 44

For each babysitting job he takes on, Manuel charges $2 for bus fare plus an additional $6 for each hour he works at the job. On Saturday, Manuel earned $26 for one babysitting job.

May can swim one lap in 6.089 seconds, and Sarah can swim one lap in 6.098 seconds. Write an equation to compare their speeds.

How do I solve systems of equations using elimination?

Which of the following is a polynomial with roots 2, 3i, and - 3i? A. f (x) = x^3 - 2x^2 + 6x - 9 B. f (x) = x^3 - 6x ^2 + 9x - 18 C. f (x) = x^3 - 6x^2 + 18x - 2 D. f (x) = x^3 + 2x^2 + 9x - 18

The surface area "S" of a cube with side length e is S = 6e^2. Find the side length of a cube with a surface area of 150 cm.

A farmer hears a weather report saying that temperatures will be decreasing approximately 6∘ 6∘ every hour for the next 5 hours. What signed number represents the total change in temperature expected over the next 5 hours